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LuckyWell [14K]
3 years ago
8

What does sum mean I don't know how to do it plz help​

Mathematics
2 answers:
mash [69]3 years ago
8 0
Sum the number you get when you add two numbers. It also means a particular amount of money.
belka [17]3 years ago
6 0

Answer:

Step-by-step explanation:

Hello there is no question

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3. (a) Find the student's total displacement for the entire trip.
shusha [124]

Answers:

1, It took him 21 minutes to reach the end.

2, He biked 8 kph/mph

3, He went 2.9 km/ 1.8 mi.

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6 0
2 years ago
It took a car 4 days to travel 4717 miles. What was this car’s average speed, in miles per hour? (Round to the nearest per hour)
KiRa [710]

Answer:

51 MPH

Step-by-step explanation:

4 days is 96 hours, all you have to do is 4717/90

which is 51.41111 (with the 1 repeating) rounded to the nearest MPH (Nearest whole number) is 51

4 0
2 years ago
Scarlet built a scale model of a ship, using the scale 3 : 32. The measurements of the model are given in the table. Dimension M
FrozenT [24]

\dfrac{\text{length of model}}{\text{length of ship}}=\dfrac{3}{32}\\\\\text{substitute}\\\\\dfrac{17}{x}=\dfrac{3}{32}\ \ \ |\text{cross multiply}\\\\3x=17\cdot32\\\\3x=544\ \ \ |:3\\\\x=\dfrac{544}{3}\approx181\ (in)

7 0
3 years ago
Read 2 more answers
70% of what number is 21 and how do you do it
tester [92]
The answer is 30 because you put 21/x= 70/100
you cross multiply 100 and 21 you get 2100 and you divide it by 70 you should get 30 cause you take out one 0 from both numbers and end up with 210 divided by 7 then you get 30

4 0
3 years ago
Read 2 more answers
#6 - Calculate the monthly payment necessary to retire the following loan
klemol [59]

9514 1404 393

Answer:

  A)  $1350

  B)  $5850

  C)  $162.50

Step-by-step explanation:

A) The interest is given by the formula ...

  I = Prt

where P is the principal amount, r is the interest rate, and t is the number of years.

  I = $4500×0.10×3 = $1350

The interest owed is $1350.

__

B) At maturity, the principal and interest are due. That amount is ...

  $4500 +1350 = $5850

The maturity value is $5850.

__

C) If the maturity value is paid in 36 equal monthly installments, each is ...

  $5850/36 = $162.50

The monthly payment is $162.50.

4 0
3 years ago
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